2.4×2.5×3.7怎么简便

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2.4×2.5×3.7怎么简便
2.4×2.5×3.7怎么简便

2.4×2.5×3.7怎么简便
2.4×2.5×3.7
=2.5×4×0.6×3.7
=10×0.6×3.7
=6×3.7
=22.2

2.4×2.5×3.7
=6*0.4*2.5*3.7
=6*1*3.7
=6*(3+0.7)
=18+4.2
=22.2